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Chile's Manuel Selman rides a wave during a free training session at the Tokyo 2020 Olympic Games at the Tsurigasaki Surfing Beach, Chiba, Japan, on July 24 Photo: Olivier Morin/POOL/AFP via Getty Images

Surfing is making its debut at the 2020 Olympics this weekend.

The big picture: The men's surfing got under way at 6p.m. Saturday ET with the first of six rounds, and the women's round began just over three hours later. Eliminations were beginning in the second round. Medal matches are scheduled for July 27.

Kolohe Andino of Team United States surfs during a practice session at the Games at Tsurigasaki beach on July 24. Photo: Ryan Pierse/Getty Images
Four-time world champion surfer Carissa Moore, of Team United States, surfs during a Games practice session at Tsurigasaki beach on July 24. Photo : Ryan Pierse/Getty Images
Japan's Kanoa Igarashi rides a wave during a free training session at the Tsurigasaki Surfing Beach on July 24 during the Games. Photo: Olivier Morin - Pool/Getty Images
Australia's Stephanie Gilmore rides a wave during a free training session at the Tsurigasaki beach on July 24. Photo: Olivier Morin/AFP via Getty Images

Go deeper: Six new sports makes Tokyo 2020 the biggest Olympics ever

Editor's note: This article will be updated with more photos and further details from the event as the Games progresses.

Go deeper

Oct 25, 2021 - Sports

Indianapolis Motor Speedway hosts first-ever driverless car race

Boston Dynamics' robot dog holds the starting flag on the grid of the Indy Autonomous Challenge race at the Indianapolis Speedway on Oct. 23. Photo: Ed Jones/AFP via Getty Images

The Indianapolis Motor Speedway helped autonomous vehicle researchers reach a new milestone over the weekend by hosting its inaugural driverless car race.

Driving the news: Nine teams from 21 universities competed to win the $1 million grand prize — with Technical University of Munich (TUM) recording the fastest two-lap average speed of 135.944 mph on the Indianapolis Motor Speedway Oval, per an Indy Autonomous Challenge statement.

School principals are not OK

Principal Alice Hom (purple jacket) of New York's Yung Wing School P.S. 124 near a vaccination van in November. Photo: Michael Loccisano/Getty Images

The overwhelming majority of secondary school principals experienced frequent stress last school year, according to a RAND Corporation report out Wednesday.

The big picture: The stress levels among female principals and principals of color were especially stark, with nearly 40% in these groups reporting constant job-related stress, compared to about 24% of male principals and 26% of white principals.

It's official: Stock market having worst start to year ever

Data: FactSet; Chart: Axios Visuals

It's been a decidedly ugly start to the year for the stock market, with particular pain in the tech trade.

State of play: As of the end of trading Tuesday — the 16th session of the year — 2022 is now, officially, the worst-ever start in the history of the S&P 500, according to data from Ned Davis Research, a stock market research shop.